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Mensuration
If edges of a cuboid are 3 cm, 4 cm and 12 cm then length of its diagonal is .
A) \( \Large \sqrt{5} cm \)
B) \( \Large \sqrt{19} cm \)
C) 12 cm
D) 13 cm
Correct Answer:
D) 13 cm
Description for Correct answer:
\( \Large d = \sqrt{3^{2}+4^{2}+12^{2}} = \sqrt{169} =\ 13\ cm \)
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